Yup, Chromebooks are already cheap and pretty intuitive, I think this will bump their sales a lot.
Won't matter to Microsoft at all. You'll use your Chromebook to connect your Windows 365 Cloud PC . They'll add it to the Microsoft Family Plan, same one that has MS Office in it, for free when its introduced and then slowly raise the price as people get embedded into it.
Gaming? You'll buy the WinBook Ultra that can handle streaming gaming or buy an Xbox.
Welcome to the future, it'll be here in 10 years or less.